#include<iostream>
#include<queue>
using namespace std;

int main()

{

    queue<char> Q;

    char x,y;

    x='n';y='g';

    Q.push(x);Q.push('i');Q.push(y);

    Q.pop();Q.push('r');Q.push('t');Q.push(x);

    Q.pop();Q.push('s');

    while(!Q.empty())

	{

		x = Q.front();

		Q.pop();

		cout<<x;

	};

	cout<<y;

    return 0;

}

